CN102043376B - Calendar mechanism and analog timepiece equipped with same mechanism - Google Patents
Calendar mechanism and analog timepiece equipped with same mechanism Download PDFInfo
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- CN102043376B CN102043376B CN201010518493.XA CN201010518493A CN102043376B CN 102043376 B CN102043376 B CN 102043376B CN 201010518493 A CN201010518493 A CN 201010518493A CN 102043376 B CN102043376 B CN 102043376B
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- date
- cam
- wheel
- driving cam
- calendar mechanism
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- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B19/00—Indicating the time by visual means
- G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
- G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
- G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
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- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B19/00—Indicating the time by visual means
- G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
- G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
- G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
- G04B19/253—Driving or releasing mechanisms
- G04B19/25333—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
- G04B19/25353—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by the clockwork movement
- G04B19/25366—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by the clockwork movement manually corrected at the end of months having less than 31 days
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- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
Abstract
The present invention provides a calendar mechanism wherein the building-in property of a second date indicator is improved, and an analog timepiece equipped therewith. The calendar mechanism of the analog timepiece includes a first date indicator which includes a first date character indication portion, a first date indicator gear portion, and an endless ring-shaped drive cam portion; a drive cam lever which includes an operating lever portion including a first fan-shaped gear portion, wherein a driven lever portion is spring loaded in order to become a cam follower, and the operating lever portion is pivoted in accordance with the driven lever portion abutting against the drive cam portion; a second date indicator which, being rotatable, includes a second date character indication portion and a second fan-shaped gear portion meshing with the first fan-shaped gear portion; and a positioning/locking portion. In a case in which the tens column of the date is 0, one portion of the drive cam lever abuts against the positioning/locking portion, causing the cam follower of the driven lever portion to remain in a condition out of contact with an invalid cam face portion of the cam face of the drive cam portion.
Description
Technical field
The analog timepiece that the present invention relates to calendar mechanism and possess this mechanism, in more detail, relate to individual and ten of date by different date wheel, showing date, the calendar mechanism of so-called big calendar (big date) form that result can show date with large word and the analog timepiece that possesses this mechanism.
Background technology
Calendar mechanism as big calendar form, proposition has the calendar mechanism having with lower member: the first date wheel, this first date wheel possess the position date for showing date the first date word display part in the form of a ring of integral body, be formed at the interior week of this first date word display part and bear moment ring-type the first date wheel gear part and be formed at the driving cam portion that the first date word shows facial rear side and stipulates loop-like cam surface; Driving cam bar, this driving cam bar possesses follower lever portion and actuating strut portion, one end of described follower lever portion is connected to driving cam portion as cam follower, described actuating strut portion and this follower lever portion forms as one and endways portion possess the first segment gear portion, this driving cam bar is spring loaded in the mode of the cam surface of a described end deflection driving cam of follower lever portion, when the state that is connected to the cam surface of driving cam portion with a described end when follower lever portion rotates, along with the rotation of this follower lever portion, the first segment gear portion of actuating strut portion rotates; And second date wheel, this second date wheel be ready for use on ten dates in showing date the second date word display part and with second segment gear portion (for example patent documentation 1) of described the first segment gear portion engagement.In this calendar mechanism proposing at patent documentation 1, driving cam portion except comprise with ten dates in the date be the second and the 3rd cam face corresponding to 1 and 2 situation and with four-cam face corresponding to ten dates in date situation that is 3, the first cam face corresponding to situation that also to comprise with in the date ten be 0.
Therefore,, in this calendar mechanism in the past, driving cam bar is subject to by spring the rotation angular force of direction that an end as the follower lever portion of cam follower is pressed against the cam surface of driving cam portion all the time.
Result, in the calendar mechanism proposing at this patent documentation 1, when assembling the first date wheel, need to make in advance to comprise the driving cam bar skew of this follower lever portion, in order to avoid the driving cam portion of the first date wheel is encountered by the actuating strut portion of the driving cam bar being spring loaded, be difficult to avoid assembling the situation of labor intensive.
[patent documentation 1] TOHKEMY 2007-218856 communique
Summary of the invention
The present invention completes in view of the above problems, and its object is to provide a kind of calendar mechanism of the assembling that can easily carry out the first date wheel and the analog timepiece that possesses this calendar mechanism.
In order to reach above-mentioned purpose, calendar mechanism of the present invention is characterised in that, described calendar mechanism has: the first date wheel, this first date wheel can be around the first rotation center axis rotation, and this first date wheel the first date word display part in the form of a ring of integral body of possessing the position date for showing date, be formed at the interior week of this first date word display part and bear moment ring-type the first date gear portion and be formed at the driving cam portion that the first date word shows facial rear side and stipulates loop-like cam surface, driving cam bar, this driving cam bar possesses follower lever portion and actuating strut portion, one end of described follower lever portion is connected to driving cam portion as cam follower, described actuating strut portion and this follower lever portion forms as one and endways portion possess the first segment gear portion, this driving cam bar is spring loaded in the mode of the cam surface of a described end deflection driving cam of follower lever portion, when the state that is connected to the cam surface of driving cam portion with a described end when follower lever portion rotates, along with the rotation of this follower lever portion, the first segment gear portion of actuating strut portion rotates, the second date wheel, this second date wheel can be rotated around the second rotation center axis, and possesses the second date word display part on ten dates for showing date and the second segment gear portion meshing with described the first segment gear portion, and standing supporting mass, this standing supporting mass possesses locator card bonding part, wherein, described calendar mechanism is configured to: the cam surface of driving cam portion comprises that with ten dates in the date be that 1 and 2 situation corresponding the second cam face and the 3rd cam are facial, and with ten dates in the date be four-cam face corresponding to the situation of the side in 0 or 3, and, invalid cam face corresponding to situation that also to comprise with ten dates in the date be the opposing party in 0 or 3, in the situation that ten dates in the date are described the opposing party of 0 or 3, a part for driving cam bar is connected to described locator card bonding part, even if thereby the cam follower of follower lever portion approaches and faces the invalid cam face in the cam surface of driving cam portion, this cam follower also rests on the state leaving from this invalid cam face.
In calendar mechanism of the present invention, due to " standing supporting mass possesses locator card bonding part, and calendar mechanism is configured to: the cam surface of driving cam portion comprises that with ten dates in the date be four-cam face corresponding to the situation of the side in 0 or 3, and, invalid cam face corresponding to situation that also to comprise with ten dates in the date be the opposing party in 0 or 3, in the situation that ten dates in the date be described the opposing party of 0 or 3, part for driving cam bar is connected to described locator card bonding part, even if thereby the cam follower of follower lever portion approaches and faces the invalid cam face in the cam surface of driving cam portion, this cam follower also rests on the state leaving from this invalid cam face ", therefore therefore, in a part that makes driving cam bar, be connected under the assembling original state of described locator card bonding part, the invalid cam face of the cam surface of the first date wheel can not encountered driving cam bar, if make driving cam bar in this assembling A-stage, the first date wheel is assemblied in to predetermined rotational positions (state that the cam follower of the follower lever portion of driving cam bar leaves with the invalid cam face of the cam surface from the first date wheel and face with invalid cam face position of rotation), without consideration, just can assemble with the contactless state in fact not contacting with this driving cam bar this first date wheel with the engaging of driving cam bar, without making the skew of driving cam bar, in fact only by the first date wheel is loaded in predetermined rotational positions (rotating range) and just can assemble this first date wheel.Therefore, the assembling of the first date wheel is labor intensive not, and the assembling of this first date wheel improves, and can easily carry out the assembling of calendar mechanism.
And, in the above description, being typically, follower lever portion and first segment gear portion of driving cam bar form as one.But if desired, the two can not form as one yet.
In calendar mechanism of the present invention, be typically, invalid cam face is the part of the cam surface corresponding with ten dates in date situation that is 0, four-cam face is the part of the cam surface corresponding with ten dates in date situation that is 3.
In this case, if ten dates at the position of date of arrival window be 0 and the position of rotation of the first date wheel of facing of the invalid cam face of the state that leaves with the invalid cam face from the first date wheel of the cam follower of the follower lever portion of driving cam bar and the first date wheel assemble the first date wheel, can easily carry out the assembling of this first date wheel.And then, in this case, in the situation that ten dates in the date be 0, certain part of driving cam bar encounter and engaging in locator card bonding part, the turned position of this driving cam bar is stipulated by this locator card bonding part.On the other hand, in the situation that ten dates in the date are respectively 1,2,3, same, the follower lever portion of driving cam bar is connected to the second cam face, the 3rd cam face and four-cam face, thus the turned position of stipulating this driving cam bar.
But, for example, invalid cam face can be also situation that to replace with ten dates in the date be 0 corresponding and with the part of cam surface corresponding to ten dates in date situation that is 3.In this case, if assemble the first date wheel at the position of rotation of the first date wheel of correspondence, can easily carry out the assembling of this first date wheel.In addition, in this case, the cam face that forms driving cam replace being formed at the first date wheel wall portion outer peripheral face and be formed at the inner peripheral surface of the wall portion of the first date wheel.
In calendar mechanism of the present invention, be typically, described locator card bonding part consists of the origin reference location projection that is formed at standing supporting mass.
In this case, only, by making the part and the origin reference location projections that is formed at standing supporting mass of driving cam bar, just can utilize this projection to prop up the driving cam bar that affords load on spring.Therefore,, even if do not make the position skew of driving cam bar, the driving cam portion of the first date wheel can not contact with driving cam bar yet, can assemble the first date wheel.
That is, in calendar mechanism of the present invention, be typically, described standing supporting mass consists of base plate or clamping plate.Herein, clamping plate can comprise the various clamping plate (train bar, bottom plate, third wheel clamping plate etc.) of analog timepiece.Be typically, these base plates or clamping plate are can rotate and driving cam bar is supported as rotating by the first date wheel or the supporting of the second date wheel.But, as long as can be standing securely can limit the degree of rotation of driving cam bar, standing supporting mass can be also with the timepiece of the title address different from base plate or clamping plate or the part of clock and watch, for example, can be the parts that are installed on securely this standing supporting mass.(can be also the parts of calling with title in addition).
In calendar mechanism of the present invention, be typically, engaging is a part for actuating strut portion in a described part for the driving cam bar of described locator card bonding part.
In this case, as long as carry out engaging between the standing supporting mass of the broad range in the actuating strut portion that can rotate in the broad range in region that approaches the central portion of clock and watch and the region that can extend to the central portion that approaches clock and watch, the selected degree of freedom of design and field is high.But, by the part of the driving cam bar of locator card bonding part engaging, be that a described part can be also the part beyond actuating strut portion.
In calendar mechanism of the present invention, be typically, a described part for actuating strut is the sidewall of the first segment gear portion of actuating strut.
In this case, along with approaching the rotary scanning of the actuating strut portion in the region of central portion of clock and watch, the sidewall of the first segment gear portion of the terminal part of actuating strut portion also, than scanning significantly, therefore easily positions reliably.But a described part for actuating strut can be also other positions of actuating strut, for example, it can be also the sidewall of the part beyond segment gear portion.
In calendar mechanism of the present invention, be typically, described the first rotation center axis and the second rotation center axis consist of common rotation center axis, calendar mechanism has rotation limiting mechanism, this rotation limiting mechanism applies the elasticity angular force that this second date wheel is partial to towards a direction around this common rotation center axis to the second date wheel, this elasticity angular force is given load on spring to driving cam bar.
In this case, the spring self of giving load on spring to driving cam bar carries out the position shift suppression of the second date wheel in MIN action.In addition, the first date wheel can be located by the gear part of this first date wheel being jumped to the date indicator jumper of going through action.
In calendar mechanism of the present invention, be typically, described rotation limiting mechanism has rotation limit rod and elastic component, described rotation limit rod possesses spring torque receiving portion, and engage integratedly with driving cam bar, described elastic component is given the moment of a direction to the spring torque receiving portion of rotation limit rod.
In this case, the second date wheel can be located by elastic component exactly via rotation limit rod.But elastic component also can replace directly the second date wheel being applied to biasing force and applying biasing force from rotation limit rod via driving cam pole pair the second date wheel via rotation limit rod., be typically, elastic component consists of the leaf spring that is installed on base plate herein.But, can be also other spring etc.
In calendar mechanism of the present invention, be typically, described rotation limit rod possesses other the segment gear portion with described the second segment gear portion engagement.
In this case, elastic component directly applies biasing force to the second date wheel via rotation limit rod.
In calendar mechanism of the present invention, be typically, described other segment gear portion is the segment gear portion that forms the shape consistent with described the first segment gear portion.
In this case, described other segment gear portion is with the overlapping state of the first segment gear portion of driving cam bar and the engagement of the second segment gear portion and move.But, rotation limit rod is being assembled into can be with respect to driving cam bar relative shift in the situation that, described other segment gear portion also can be located and the engagement of the second segment gear portion at the position (the Zhou Fangxiang position of circular arc) different from the position (the Zhou Fangxiang position of circular arc) of the first segment gear portion engagement with the second segment gear portion.
Analog timepiece of the present invention possesses calendar mechanism as above.
In this case, because the assembling of this calendar mechanism is easy, the assembling of analog timepiece that therefore possesses this calendar mechanism is easy.As analog timepiece, can be electronic watch, can be also mechanical clock.
Accompanying drawing explanation
Fig. 1 be from dial plate side observe the calendar mechanism possess a preferred embodiment of the present invention the preferred embodiment of the present invention analog timepiece main part overlook key diagram.
Fig. 2 is the key diagram of overlooking from the calendar mechanism of the analog timepiece of dial plate side observation Fig. 1.
Fig. 3 is the backsight key diagram from the main part of the analog timepiece of bonnet side observation Fig. 1.
Fig. 4 be illustrate pointer portion in the main part of analog timepiece of Fig. 1 and calendar mechanism a part analyse and observe key diagram.
Fig. 5 is the train of analog timepiece and the associated block diagram roughly of calendar mechanism that Fig. 1 is shown.
Fig. 6 be illustrate Fig. 1 analog timepiece the outward appearance of observing from dial plate side overlook key diagram.
Label declaration
1: calendar mechanism; 2: analog timepiece; 3: movement (movement); 4: date window; 4a: the region of left-half; 4b: the region of right half part; 5: dial plate; 6: arbor; 11: hour wheel; 11a, 11b: gear; 11c: cylinder; 11d: hour hands; 11e: large footpath cylinder portion; 12: minute wheel; 12a: minute gear; 12b: minute wheel pinion wheel (minute か な); 12c: cylinder; 12d: minute hand; 13: second wheel; 13a, 13b: gear; 13c: axle (axle); 13d: second hand; 14: train; 14a: back gear; 14b: No. three wheels; 14c: No. five wheels; 15: pipe core; 16: base plate (standing supporting mass); 16a: jut; 17: train bar; 18: limit rod; 21: battery; 22: quartzy box; 23: circuit block; 23a: clock and watch integrated circuit; 24: motor; 24a: stator; 24b: coil block; 24c: rotor; 26: battery cathode terminal; 27: circuit pressing plate; 31: date finger driving wheel; 31a: change a day gear; 31b: aclendar finger; 32: the first dates were revised breast wheel (the first calendar correction wheel); 33a: the second date was revised breast wheel; 33b: the 3rd date was revised breast wheel; 33c: the 4th date was revised breast wheel; 34: the date is revised wheel; 36: date indicator jumper; 36a: ratchet portion; 37: castle wheel; 38: date setting wheel; 40: the first date wheel; 41: ring bodies; 42: the first date wheel gear part; 42a: tooth portion; 43: the first dates word shows face (the first date word display part); 44: driving cam portion; 44a: the first cam arc sections (invalid cam face); 44b: the second cam arc sections (the second cam face); 44c: the 3rd cam arc sections (the 3rd cam face); 44d: four-cam arc sections (four-cam face); 45a, 45b, 45c: migration region; 46: stepped surface; 47: the first dates word; 49: the first date wheel pressing pieces; 50: the second date wheel; 51: the second dates plate (large footpath tabular body); 52: the second dates wheel gear portion (date shows wheel, driven gear portion); 52a: fan-shaped gear; 52b: fan; 52c: circular-arc part; 53: the second dates word shows face (the second date word display part); 53a, 53b, 53c, 53d: show face; 54: the second dates word; 55: Zhou Fangxiang gap; 56: with little fan-shaped tooth portion side by side; 59: the second date wheel pressing pieces; 60: driving cam bar; 61: segment gear portion; 61a: fan-shaped gear roughly; 61b: fan; 61c: circular-arc part; 62: actuating strut portion; 62a: side; 63: follower lever portion; 63a a: sidepiece; 64: butt jut (cam follower); 65: hole portion; 66: with fan-shaped tooth portion side by side; 69: hole portion; 70: rotation limiting mechanism; 71: gear part; 72: spring torque receiving portion; 73: rotation limit rod; 73a: jut; 73b: hole portion; 76: leaf spring; 80: origin reference location projection (locator card bonding part); 90: abutting part (the second cam follower); A1, A2: go out Inbound; B1, B2: sense of rotation; B, C: central axis; C1, C2: sense of rotation; G: gap.
Embodiment
A preferred embodiment with reference to the accompanying drawings describes a preferred embodiment of the present invention.
[embodiment]
The analog timepiece 2 of a preferred embodiment of the present invention that possesses the calendar mechanism 1 of a preferred embodiment of the present invention roughly has clock and watch main body and the movement 3 of structure as shown in Figure 3 and Figure 4.
As can be seen from Figure 4, the movement 3 of analog timepiece 2 mainly has around central axis C rotation hour wheel 11, minute wheel 12 and second wheel 13 freely.In addition, in Fig. 6 of outward appearance is shown, at table, the position of 6a can be seen to arbor 6 slightly.Gear 11a, the 11b of hour wheel 11, minute wheel 12 and second wheel 13,12a, 12b, 13a, 13b are intermeshing through back gear 14a as shown in Figure 3, No. three wheel 14b and the such train 14 of No. five wheel 14c.Hour wheel 11 cylinder 11c the terminal part that is positioned at dial plate 5 sides hour hands 11d is installed, minute wheel 12 cylinder 12c terminal part minute hand 12d is installed, at the axle of second wheel 13 or the terminal part of axle 13c, second hand 13d is installed.Minute gear 12a that forms minute wheel 12 is sticked in the minute wheel pinion wheel 12b with cylinder 12c one in the mode that can slide.Pipe centered by 15.Herein, the 16th, the base plate of the substrate of formation movement 3, the 17th, train bar.Gear 12a, the 12b of minute wheel 12 and gear 13a, the 13b of second wheel 13 are configured between base plate 16 and train bar 17, and hour wheel is dial plate 5 sides that hour gear 11a, the 11b of wheel 11 is configured in base plate 16.Hour wheel 11 pinion wheel 11b forms day jumping day gear for gear 31a engagement that changes with date finger driving wheel 31 (Fig. 2) as changing day pinion wheel.In Fig. 3, the 18th, the limit rod rotating according to the discrepancy of the A1 of arbor 6, A2 direction.
In the situation that electronic watch is as shown in Figure 3 quartz type clock and watch, analog timepiece 2 has: by battery 21 power and carry out oscillation action quartz vibrator, comprise this quartz vibrator quartzy box 22, comprise the circuit block 23 of integrated circuit 23a and the motor 24 that makes pointer 11d, 12d, 13d rotation via train 14 etc. for clock and watch.Motor 24 possesses stator 24a, coil block 24b and rotor 24c.26 is battery cathode terminal, and 27 is circuit pressing plate.
The calendar mechanism 1 of analog timepiece 2 has the first date wheel 40, the second date wheel 50, driving cam bar 60 and rotation limiting mechanism 70.
The first date wheel 40 has: ring bodies 41, and it is the central axis C rotation of the first rotation center axis that this ring bodies 41 is configured to make; The first date wheel gear part 42, this first date wheel gear part 42 is connected with the inner peripheral of this ring bodies 41 via the poor portion of ladder in the position of the thickness direction skew along this ring bodies 41; The first date word shows face 43, and this first date word shows that the face 43 interarea portions that are positioned at dial plate 5 sides by ring bodies 41 form; And driving cam portion 44, this driving cam portion 44 is positioned at the interarea side towards bonnet of ring bodies 41, and the outer peripheral face along this poor portion of ladder forms at the inner peripheral of ring bodies 41 and the position of the poor portion of ladder between the first date wheel gear part 42.
The first date wheel gear part 42 has 31 42a of tooth portion facing one direction, rotating towards a direction (being viewed as counterclockwise from dial plate 5 sides) C1 around central axis C.The rotation towards C1 direction of the first date wheel 40 is limited by date indicator jumper 36, and this date indicator jumper 36 possesses jumps the 36a of ratchet portion that goes through action between the 42a of adjacent teeth portion, the 42a of the first date wheel gear part 42.
In addition, be provided with as the locator card bonding part of the first real cam face performance function as the origin reference location projection 80 of stop part base plate 16 is outstanding.It is that the part of base plate 16 forms with the outstanding state that arranges integratedly that projection 80 can be used as standing supporting mass, can be also the pin planting in the main part of base plate 16.In this embodiment, the first cam arc sections 44a is invalid cam face.
Origin reference location projection 80 also can replace being formed at base plate 16 and be formed at other plate of train bar 17 grades, also can be formed at the so standing supporting mass of base plate 16 or train bar 17 or in fact with respect to the part of motionless other of this standing supporting mass.
When normally taking the needle, the 42a of tooth portion that the first date wheel 40 is utilized the first date wheel gear part 42 with along with hour wheel hour wheel 11 rotation and the aclendar finger 31b of the date finger driving wheel 31 that rotates engage, towards C1 direction rotation 360/31, spend once a day.In addition, when carrying out the date while revising, arbor 6 is drawn out in A1 direction, the rotation of this arbor 6 is via castle wheel 37 and date setting wheel 38 and then via the first date, revise breast wheel first the 32, second date of calendar correction wheel revised that breast wheel 33a, the 3rd date revise breast wheel 33b, the 4th date revised breast wheel 33c and the date is revised the first date wheel gear part 42 that wheel 34 is delivered to the first date wheel 40, the first date wheel gear part 42 is along with the rotation of arbor 6 is towards C1 direction rotation, thereby carries out date correction.
The first date word at first date of conduct of the first date wheel 40 word display part shows face 43, as the word that forms the first date word 47, after repeatedly indicating three times " 1,2,3,4,5,6,7,8,9,0 " these 10 text lines, indicate " 1 ", at Zhou Fangxiang, equally spaced indicate the word 47 that amounts to 31.For the first date word, show the first date word 47 of face 43, from Fig. 6 and Fig. 1, can find out, when this word 47 arrives near the position of 12 of clock and watch 2, this word 47 shows a date in the region 4b of the right half part of the date of dial plate 5 window 4.
The first date wheel gear part 42 in the first date wheel 40 is positioned at a side that shows face 43 more close bonnets than the first date word.The first date wheel 40 is pressed by the first date wheel pressing piece 49 that is installed on base plate 16 lightly at the first date wheel gear part 42 places in the form of a ring roughly.
The second date wheel 50 has: being roughly fan-shaped large footpath tabular body is the second date plate 51, and it is the central axis C rotation of the second rotation center axis that this second date plate 51 is configured to make; And second segment gear portion as date of driven gear portion show wheel second the date wheel gear portion 52, near this wheel gear portion 52 this second date plate 51 of supporting central axis C on the second date, and comprise the little fan-shaped tooth portion 56 more outstanding slightly than a side of this second date plate 51, near the outer peripheral edges of the second date plate 51, be formed with the second date word and show face 53.Herein, the first rotation center axis and the second rotation center axis consist of common central axis C.
As the second date word of the second date word display part, show that face 53 has across Zhou Fangxiang gap 55 outstanding four trapezoidal demonstration face 53a, 53b, 53c, 53d roughly, at each the second date word, show on facial 53a, 53b, 53c, 53d, as the second date word 54, indicate the word of " 0,1,2,3 ".For the second date word, show the second date word 54 of face 53, from Fig. 6 and Fig. 1, can find out, when this word 54 arrives near the position of 12 of clock and watch 2, this word 54 shows ten dates in the region 4a of the left-half of the date of dial plate 5 window 4.
The second date wheel gear portion 52 mode of forming to rotate is freely embedded in a hour form of the fan-shaped gear 52a of the large footpath 11e of cylinder portion of wheel 11, and possesses a plurality of tooth portion 56 at the circular-arc part 52c of fan 52b.
For the second date wheel 50, when normally taking the needle, whenever ten dates, there is " 0 → 1 ", during the variation of " 1 → 2 " or " 2 → 3 ", the second date wheel 50 all second the date wheel gear portion 52 be subject to making this on the second date wheel gear portion 52 counterclockwise rotation driving and towards C1 direction, rotate, when there is the variation of " 3 → 0 " in ten dates, the second date wheel 50 second the date wheel gear portion 52 be subject to making the driving of these the second date wheel gear portion 52 rotations toward the clockwise direction and rotate towards C2 direction, in the region 4a of the left-half of the date of dial plate 5 window 4, show ten dates.
The second date wheel 50 second the date wheel gear portion 52 in the behind of dial plate 5, by being embedded in a hour second date wheel pressing piece 59 of the 11c of cylinder portion of wheel 11, press lightly.
The butt jut 64 of the end of the follower lever portion 63 of driving cam bar 60 is connected to cam surface 44b, 44c, the 44d of the driving cam portion 44 of the first date wheel 40 as cam follower, thereby along with the variation of the position (distance of distance center axis C) of the radial direction of this cam surface 44b as butt object, 44c, 44d is rotated towards B1, B2 direction around central axis B.
In addition, driving cam bar 60 possesses the abutting part 90 as the second cam follower at the side 62a of the segment gear portion 61 of actuating strut portion 62.
Therefore, when the first date wheel 40 is when usining the state that mode that the butt jut 64 of end of follower lever portion 63 of driving cam bar 60 and the face of the cam as invalid cam surface in the cam surface of the driving cam portion 44 of the first date wheel 40 44a face rotates, between the butt jut 64 of end of follower lever portion 63 of driving cam bar 60 and the cam of the driving cam portion 44 of the first date wheel 40 face 44a, remain clearance G (Fig. 2), now, the abutting part 90 of conduct the second cam follower of side 62a of segment gear portion 61 that is positioned at the actuating strut portion 62 of driving cam bar 60 is connected to origin reference location projection 80, thereby determine the B2 direction turned position of driving cam bar 60.
When driving cam bar 60 rotates towards B1, B2 direction, the segment gear portion 61 of the actuating strut portion 62 of this driving cam bar 60 also rotates towards B1, B2 direction.
The second date wheel gear portion 52 engagements of the segment gear portion 61 of driving cam bar 60 and the second date wheel 50.
Rotation limit rod 73 also possesses jut 73a and the 73b of hole portion.Rotation limit rod 73 is utilizing jut 73a chimeric at the jut 16a of hole portion 65,73b and base plate 16 with together with the actuating strut portion 62 of driving cam bar 60 with under the hole portion 69 of the actuating strut portion 62 of driving cam bar 60 chimeric state.Therefore, rotation limit rod 73 can rotate around the jut 16a of base plate 16 integratedly with driving cam bar 60.
; 70 pairs of driving cam bars 60 of rotation limiting mechanism apply the angular force of B2 direction; thus to the second date wheel 50 second the date wheel gear portion 52 apply the angular force of C2 direction, thereby in order to avoid due in the engagement of gear inevitably small play cause the position of rotation skew second date word of the second date wheel 50 from the display position skew of expectation.
In this embodiment, the state that the gear part 71 of rotation limit rod 73 just in time overlaps on the bearing of trend of central axis C with the segment gear portion 61 with driving cam bar 60 has the segment gear portion 61 tooth portion that in fact shape is identical with driving cam bar 60, and with wheel gear portion 52 engagements of the second date.
The moment receiving portion 72 of 76 pairs of rotation limit rods 73 of leaf spring of rotation limiting mechanism 70 applies the moment of B2 direction, thus, to utilizing second date the second date wheel 50 of meshing with the gear part 71 of this rotation limit rod 73 of wheel gear portion 52 to apply the angular force of C2 direction.
And, the second date wheel gear portion 52 deflection C2 directions due to the second date wheel 50, therefore, utilize segment gear portion 61 and the driving cam bar 60 of these the second date wheel gear portion 52 engagements to be also partial to B2 direction, the butt jut 64 of the end of the follower lever portion 63 of driving cam bar 60 be pressed against driving cam portion 44 second to four- cam face 44b, 44c, 44d, or the abutting part 90 of conduct the second cam follower of side 62a of segment gear portion 61 that is positioned at the actuating strut portion 62 of driving cam bar 60 is connected to origin reference location projection 80 (now, the butt jut 64 of the end of follower lever portion 63 is the invalid cam face 44a in the face of driving cam portion 44 across clearance G), thus, can position in the mode that can not rock.
In addition, in this embodiment, rotation limit rod 73 not only utilizes axle shape jut 16a and driving cam bar 60 to rotate with one heart, and thereby in fact move integratedly with driving cam bar 60 in the hole that can utilize jut 74 to be embedded in driving cam bar 60, therefore, the rotation angular force of the B2 direction of leaf spring 76 also can regard as from rotation limit rod 73 directly put on driving cam bar 60.
In the analog timepiece 2 forming in the above described manner, when assembling calendar mechanism 1, what in the basic clock and watch train that the action to pointer 11d, 12d, 13d of clock and watch 2 is relevant, be assembled in base plate 16 is mainly after bonnet side, in the mode upward of a side with configuration dial plate 5, base plate 16 is turned under the state of state of Fig. 4, by date finger driving wheel 31 or repair positively related train 33a, 33b, 33c, 34 etc. with the date and be assembled in base plate 16, and assemble leaf spring 76 of limiting mechanism 70 etc.
Then, so that being embedded in the jut 16a of base plate 16 and the elastic force of leaf spring 76, hole portion 65,73b in the mode of the spring torque receiving portion 72 of rotation limit rod 73, set the parts 60,73 that combination driving cam bar 60 and rotation limit rod 73 form towards B2 directive effect.
Now, the assembly of driving cam bar 60 and rotation limit rod 73 is partial to B2 direction under the effect of the elastic force of leaf spring 76, keeps the actuating strut 62 of driving cam bar 60 at the abutting part 90 of side 62a, to be connected to the state of the origin reference location projection 80 of base plate 16.
Then, under the state that makes the first date wheel 40 and following position alignment, configure the first date wheel 40: the first cam arc sections of the invalid cam face of conduct of driving cam portion 44 position of rotation that the first cam surface 44a faces across the butt jut 64 of the follower lever portion 63 of clearance G and driving cam bar 60.Secondly, make the date revise wheel the 34 and first date wheel gear part 42 engagements, then load the first date wheel pressing piece 49.
In this analog timepiece 2, different from the situation of the assembling of this clock and watch in the past, when this first date wheel 40 of mounting, do not need while making the position skew that is positioned at the driving cam bar 60 that cannot see behind load the first date wheel 40, therefore the assembling of the first date wheel 40 is extremely easy, and can assemble at short notice reliably.
, in the calendar mechanism 1 of this analog timepiece 2, due to " four-cam face 44d corresponding to situation that it is 3 that the cam surface of driving cam portion 44 comprises with ten dates in the date, and invalid cam face 44a corresponding to situation that to comprise with ten dates in the date be 0, be provided with the base plate 16 of Cong Gai mechanism 1 outstanding and as the origin reference location projection 80 of the first cam face performance function, in the situation that ten dates in the date are 0, one side abutting part 90 of driving cam bar 60 is connected to described origin reference location projection 80, even if thereby the cam follower of follower lever portion 63 64 approaches and faces the cam surface 44a of driving cam portion 44, 44b, 44c, invalid cam face 44a in 44d, this cam follower 64 also rests on the state leaving from this invalid cam face 44a ", therefore, at a side abutting part 90 that makes driving cam bar 60, be connected under the assembling original state of origin reference location projection 80, the cam surface 44a of the first date wheel 40, 44b, 44c, invalid cam face 44a in 44d can not encounter driving cam bar 60, if (the cam follower 64 of the follower lever portion 63 of driving cam bar 60 is with the cam surface 44a across clearance G and the first date wheel 40 therefore to make driving cam bar 60, in this assembling original state, the first date wheel 40 is assemblied in to predetermined rotational positions, 44b, 44c, the state that the invalid cam face 44a of 44d leaves and the position of rotation faced with invalid cam face 44a), without considering, just can assemble this first date wheel 40 with the contactless state in fact not contacting with this driving cam bar 60 with the engaging of driving cam bar 60, without making 60 skews (rotation) of driving cam bar, in fact only by the first date wheel 40 is loaded in predetermined rotational positions (rotating range) and just can assemble this first date wheel 40.Therefore, the assembling of the first date wheel 40 is labor intensive not, and the assembling of this first date wheel 40 improves, and can easily carry out the assembling of calendar mechanism 1.
Then, so that the segment gear portion 52a of the second date wheel 50 is with hour wheel 11 the 11e of cylinder portion, chimeric and this mode of meshing with the tooth portion 66 of the segment gear portion 61 of the actuating strut portion 62 of driving cam bar 60 of tooth portion 56 of 52 of wheel gear portion configures the second date wheel 50 on the second date.
In addition, above to driving cam bar 60 with in fact rotation limit rod 73 forms as one and be illustrated at the example that rotation limit rod 73 is applied with the load on spring of leaf spring 76, but, also can omit rotation limit rod 73, directly the load on spring of leaf spring 76 be put on to driving cam bar 60.That is, for example, can at driving cam bar 60, form the moment receiving portion corresponding with moment receiving portion 72 in advance, and utilize the elastic component of leaf spring 76 and so on directly the moment receiving portion of this driving cam bar 60 to be applied to B2 direction angular force.And, replacement is with the state formation rotation limit rod 73 overlapping with driving cam bar 60, also can rotation limit rod 73 be arranged on to the position different from driving cam bar 60 in C1 or C2 direction, and utilization and the same elastic component of leaf spring 76 apply the second date wheel gear portion 52 angular forces towards C2 direction rotation of wanting to make the second date wheel 50 to the moment receiving portion 72 of this rotation limit rod 73.
Further, if desired, also can omit rotation limit rod 73, the load on spring being produced by the such spring of leaf spring 76 is put on to the second date wheel 50, thereby indirectly to utilizing gear part 61 and the driving cam bar 60 of gear part 52 engagements of this second date wheel 50 to apply load on spring.
Claims (10)
1. a calendar mechanism,
Described calendar mechanism has:
The first date wheel, this first date wheel can be around the first rotation center axis rotation, and this first date wheel possesses: for the integral body on position date of showing date the first date word display part in the form of a ring; Be formed at the interior week of this first date word display part and bear the first date gear portion of the ring-type of moment; And be formed at the driving cam portion that the first date word shows facial rear side and stipulates loop-like cam surface;
Driving cam bar, this driving cam bar possesses follower lever portion and actuating strut portion, one end of described follower lever portion is connected to driving cam portion as cam follower, described actuating strut portion and this follower lever portion forms as one and endways portion possess the first segment gear portion, this driving cam bar is spring loaded in the mode of the cam surface of a described end deflection driving cam of follower lever portion, when the state that is connected to the cam surface of driving cam portion with a described end when follower lever portion rotates, along with the rotation of this follower lever portion, the first segment gear portion of actuating strut portion rotates;
The second date wheel, this second date wheel can be rotated around the second rotation center axis, and possesses the second date word display part on ten dates for showing date and the second segment gear portion meshing with described the first segment gear portion; And
Standing supporting mass, this standing supporting mass possesses locator card bonding part,
Described calendar mechanism is characterised in that, described calendar mechanism is configured to:
The cam surface of driving cam portion comprise with ten dates in the date be the second cam face corresponding to 1 and 2 situation and the 3rd cam face and with ten dates in the date be that four-cam corresponding to the situation of the side in 0 or 3 is facial, and, invalid cam face corresponding to situation that also to comprise with ten dates in the date be the opposing party in 0 or 3
In the situation that ten dates in the date are described the opposing party of 0 or 3, a part for driving cam bar is connected to described locator card bonding part, even if thereby the cam follower of follower lever portion approaches and in the face of the invalid cam face in the cam surface of driving cam portion, this cam follower also rests on the state leaving from this invalid cam face.
2. calendar mechanism according to claim 1, wherein,
Invalid cam face is the part of the cam surface corresponding with ten dates in date situation that is 0, and four-cam face is the part of the cam surface corresponding with ten dates in date situation that is 3.
3. calendar mechanism according to claim 1, wherein,
Described locator card bonding part consists of the origin reference location projection that is formed at standing supporting mass.
4. calendar mechanism according to claim 1, wherein,
Described standing supporting mass consists of base plate or clamping plate.
5. calendar mechanism according to claim 1, wherein,
A described part that is connected to the driving cam bar of described locator card bonding part is a part for actuating strut portion.
6. calendar mechanism according to claim 5, wherein,
A described part for actuating strut portion is the sidewall of the first segment gear portion of actuating strut portion.
7. calendar mechanism according to claim 1, wherein,
Described the first rotation center axis and the second rotation center axis consist of common rotation center axis, described calendar mechanism has rotation limiting mechanism, described rotation limiting mechanism applies the elasticity angular force that this second date wheel is partial to towards a direction around this common rotation center axis to the second date wheel, this elasticity angular force is given load on spring to driving cam bar.
8. calendar mechanism according to claim 7, wherein,
Described rotation limiting mechanism has rotation limit rod and elastic component, and described rotation limit rod possesses spring torque receiving portion, and engages integratedly with driving cam bar, and described elastic component is given the moment of a direction to the spring torque receiving portion of rotation limit rod.
9. calendar mechanism according to claim 8, wherein,
Described rotation limit rod possesses other the segment gear portion with described the second segment gear portion engagement.
10. an analog timepiece, is characterized in that,
This analog timepiece possesses calendar mechanism claimed in claim 1.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009242718A JP5336997B2 (en) | 2009-10-21 | 2009-10-21 | Calendar mechanism and analog timepiece having the mechanism |
| JP2009-242718 | 2009-10-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102043376A CN102043376A (en) | 2011-05-04 |
| CN102043376B true CN102043376B (en) | 2014-03-26 |
Family
ID=43796994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010518493.XA Active CN102043376B (en) | 2009-10-21 | 2010-10-20 | Calendar mechanism and analog timepiece equipped with same mechanism |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8279718B2 (en) |
| JP (1) | JP5336997B2 (en) |
| CN (1) | CN102043376B (en) |
| CH (1) | CH702112B1 (en) |
| DE (1) | DE102010047537A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011242258A (en) * | 2010-05-18 | 2011-12-01 | Seiko Instruments Inc | Calendar mechanism and timepiece including the same |
| JP6015207B2 (en) * | 2012-07-31 | 2016-10-26 | カシオ計算機株式会社 | Information display device and analog electronic timepiece |
| EP2835697B1 (en) * | 2013-08-05 | 2022-01-05 | ETA SA Manufacture Horlogère Suisse | Display system for showing the date |
| USD757079S1 (en) * | 2014-09-02 | 2016-05-24 | Apple Inc. | Display screen or portion thereof with graphical user interface |
| JP6649809B2 (en) * | 2016-03-08 | 2020-02-19 | セイコーインスツル株式会社 | Date wheel, calendar mechanism, movement and clock |
| JP6897399B2 (en) * | 2017-07-31 | 2021-06-30 | セイコーエプソン株式会社 | Electronic clock |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6108278A (en) * | 1998-09-11 | 2000-08-22 | Frederic Piguet S.A. | Annual calendar mechanism for clockwork movement |
| CN1790195A (en) * | 2004-12-15 | 2006-06-21 | 精工电子有限公司 | Multifunction timepiece having fan shape moving hand mechanism and fan shape moving hand train wheel apparatus |
| CN101025609A (en) * | 2006-02-20 | 2007-08-29 | 精工电子有限公司 | Timepiece attached with calendar mechanism having first date indicator and second date indicator |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH624534GA3 (en) * | 1979-04-04 | 1981-08-14 | ||
| JP2564930Y2 (en) * | 1990-11-30 | 1998-03-11 | シチズン時計株式会社 | Guide wheel train regulation structure |
| DE69806337T2 (en) * | 1998-03-05 | 2003-06-05 | Frederic Piguet S.A., Le Brassus | Calendar mechanism for clockwork |
| DE60141212D1 (en) * | 2001-11-30 | 2010-03-18 | Rolex Sa | Method of making a calendar mechanism for a watch |
| US7023762B1 (en) * | 2003-01-15 | 2006-04-04 | Timex Group B.V. | Date display assembly for an analog timepiece |
| JP4567666B2 (en) * | 2003-04-02 | 2010-10-20 | ロンダ アーゲー | Date display mechanism for wristwatch movement |
| JP4646016B2 (en) * | 2004-01-30 | 2011-03-09 | セイコーインスツル株式会社 | A watch with a calendar mechanism including the 1st day wheel and the 2nd day wheel |
-
2009
- 2009-10-21 JP JP2009242718A patent/JP5336997B2/en active Active
-
2010
- 2010-10-05 DE DE102010047537A patent/DE102010047537A1/en not_active Withdrawn
- 2010-10-20 CN CN201010518493.XA patent/CN102043376B/en active Active
- 2010-10-20 CH CH01713/10A patent/CH702112B1/en unknown
- 2010-10-20 US US12/925,376 patent/US8279718B2/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6108278A (en) * | 1998-09-11 | 2000-08-22 | Frederic Piguet S.A. | Annual calendar mechanism for clockwork movement |
| CN1790195A (en) * | 2004-12-15 | 2006-06-21 | 精工电子有限公司 | Multifunction timepiece having fan shape moving hand mechanism and fan shape moving hand train wheel apparatus |
| CN101025609A (en) * | 2006-02-20 | 2007-08-29 | 精工电子有限公司 | Timepiece attached with calendar mechanism having first date indicator and second date indicator |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102010047537A1 (en) | 2011-04-28 |
| CH702112A2 (en) | 2011-04-29 |
| JP5336997B2 (en) | 2013-11-06 |
| CN102043376A (en) | 2011-05-04 |
| US20110090767A1 (en) | 2011-04-21 |
| CH702112B1 (en) | 2015-11-13 |
| US8279718B2 (en) | 2012-10-02 |
| JP2011089848A (en) | 2011-05-06 |
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